Photochromic devices
First Claim
1. A photochromic device capable of a reversible color change comprising (i) a first conducting electrode opposing a second conducting electrode, wherein at least one of said electrodes is transparent, (ii) a radiation sensitive electrode disposed on an opposing surface of said first conducting electrode, (iii) an interconnecting medium containing a redox promoter disposed between said second conducting electrode and said radiation sensitive electrode, (iv) an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode and (v) an ion intercalative electrode disposed between said interconnecting medium and said second conducting electrode.
1 Assignment
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Accused Products
Abstract
A photochromic device is provided which allows the user to leave the device in a high transmissive state even when exposed to a source of radiation and to control the degree of darkening achieved while exposed to the source of radiation.
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Citations
130 Claims
- 1. A photochromic device capable of a reversible color change comprising (i) a first conducting electrode opposing a second conducting electrode, wherein at least one of said electrodes is transparent, (ii) a radiation sensitive electrode disposed on an opposing surface of said first conducting electrode, (iii) an interconnecting medium containing a redox promoter disposed between said second conducting electrode and said radiation sensitive electrode, (iv) an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode and (v) an ion intercalative electrode disposed between said interconnecting medium and said second conducting electrode.
- 25. A user controllable photochromic device capable of a reversible color change comprising (i) a first conducting electrode opposing a second conducting electrode, wherein at least one of said electrodes is transparent, (ii) a radiation sensitive electrode disposed on an opposing surface of said first conducting electrode, (iii) an interconnecting medium containing a redox promoter disposed between said radiation sensitive electrode and said second conducting electrode, (iv) an ion intercalative electrode disposed between said interconnecting medium and said second conducting electrode and (v) an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode, wherein said electrical connection means includes control means for controlling the electrical connection between the first conducting electrode and the second conducting electrode.
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45. A method for preparing a photochromic device capable of a reversible color change comprising the steps of:
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(a) forming a radiation sensitive electrode on a surface of a first conducting electrode; (b) forming an ion intercalative electrode on an other surface of a second conducting electrode; (c) assembling said first conducting electrode having said radiation sensitive electrode formed thereon and said second conducting electrode having said ion intercalative electrode formed thereon to form a cell with said radiation sensitive electrode facing said ion intercalative electrode; (d) providing said cell with an interconnecting medium containing a redox promoter disposed between said radiation sensitive electrode and said ion intercalative electrode; and (e) providing an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A method for preparing a photochromic device capable of a reversible color change and user control comprising the steps of:
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(a) forming a radiation sensitive electrode on a surface of a first conducting electrode; (b) assembling said first conducting electrode having said radiation sensitive electrode formed thereon and a second conducting electrode to form a cell with said radiation sensitive electrode facing inward; (c) providing an interconnecting medium containing a redox promoter and a redox active species capable of a reversible color change in said cell between said second conducting electrode and said radiation sensitive electrode; and (d) providing an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70)
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71. A method for preparing a photochromic device capable of a reversible color change comprising the steps of:
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(a) forming a radiation sensitive electrode on a surface of a first conducting electrode; (b) forming an ion intercalative electrode on a surface of said radiation sensitive electrode; (c) assembling said first conducting electrode having said radiation sensitive electrode and said ion intercalative electrode formed thereon with a second conducting electrode to form a cell with said ion intercalative electrode facing said second conducting electrode; (d) providing said cell with an interconnecting medium containing a redox promoter disposed between said second conducting electrode and said ion intercalative electrode; and (e) providing an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode. - View Dependent Claims (72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83)
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- 84. A photochromic device capable of a reversible color change comprising (i) a first conducting electrode opposing a second conducting electrode, wherein at least one of said electrodes is transparent, (ii) a radiation sensitive electrode disposed on an opposing surface of said first conducting electrode, (iii) an interconnecting medium containing a redox promoter disposed between said second conducting electrode and said radiation sensitive electrode, (iv) an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode and (v) an ion intercalative electrode disposed between said radiation sensitive electrode and said interconnecting medium.
- 107. A photochromic device capable of a reversible color change comprising (i) a first conducting electrode opposing a second conducting electrode, wherein at least one of said electrodes is transparent, (ii) a radiation sensitive electrode disposed on an opposing surface of said first conducting electrode, (iii) an interconnecting medium containing a redox promoter disposed between said second conducting electrode and said radiation sensitive electrode, (iv) an electrical connection means for electrically connecting said first conducting electrode and said second conducting electrode and (v) a redox active species capable of a reversible color change in said interconnecting medium.
Specification